linux-kernel - RE: [PATCH 1/2] net: fec_main: Use platform_get_irq_byname

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Message-ID: <DB3PR0402MB3916FF4583577B182D9BF60CF5970@DB3PR0402MB3916.eurprd04.prod.outlook.com>
Date:   Fri, 11 Oct 2019 00:03:22 +0000
From:   Anson Huang <anson.huang@....com>
To:     Jakub Kicinski <jakub.kicinski@...ronome.com>
CC:     Andy Duan <fugang.duan@....com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "andy.shevchenko@...il.com" <andy.shevchenko@...il.com>,
        "rafael.j.wysocki@...el.com" <rafael.j.wysocki@...el.com>,
        "swboyd@...omium.org" <swboyd@...omium.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        dl-linux-imx <linux-imx@....com>
Subject: RE: [PATCH 1/2] net: fec_main: Use platform_get_irq_byname_optional()
 to avoid error message

Hi, Jakub

> On Wed,  9 Oct 2019 18:15:47 +0800, Anson Huang wrote:
> > Failed to get irq using name is NOT fatal as driver will use index to
> > get irq instead, use platform_get_irq_byname_optional() instead of
> > platform_get_irq_byname() to avoid below error message during
> > probe:
> >
> > [    0.819312] fec 30be0000.ethernet: IRQ int0 not found
> > [    0.824433] fec 30be0000.ethernet: IRQ int1 not found
> > [    0.829539] fec 30be0000.ethernet: IRQ int2 not found
> >
> > Fixes: 7723f4c5ecdb ("driver core: platform: Add an error message to
> > platform_get_irq*()")
> > Signed-off-by: Anson Huang <Anson.Huang@....com>
> 
> Hi Anson,
> 
> looks like there may be some dependency which haven't landed in the
> networking tree yet?  Because this doesn't build:
> 
> drivers/net/ethernet/freescale/fec_main.c: In function ‘fec_probe’:
> drivers/net/ethernet/freescale/fec_main.c:3561:9: error: implicit declaration
> of function ‘platform_get_irq_byname_optional’; did you mean
> ‘platform_get_irq_optional’? [-Werror=implicit-function-declaration]
>  3561 |   irq = platform_get_irq_byname_optional(pdev, irq_name);
>       |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>       |         platform_get_irq_optional
> cc1: some warnings being treated as errors
> 
> Could you please repost once that's resolved?  Please add Andy's and
> Stephen's acks when reposting.
> 
> Thank you!

Sorry, I did this patch set based on linux-next tree, the below patch is landing
on Linux-next tree on Oct 5th, so maybe network tree is NOT sync with Linux-next tree?
I saw many other similar patches are already landing on Linux-next tree also, so what
do you suggest I should do? Or can you sync the network tree with Linux-next tree first? I do
NOT know the rule/schedule of network tree update to Linux-next.

commit f1da567f1dc1b55d178b8f2d0cfe8353858aac19
Author: Hans de Goede <hdegoede@...hat.com>
Date:   Sat Oct 5 23:04:47 2019 +0200

    driver core: platform: Add platform_get_irq_byname_optional()

thanks,
Anson